1. Sadie is 75. Her grandson asks her how tall she is. She chuckles and replies, "Well I used to be 5'7" but last time they checked me, I was 5'5" What has MOST likely contributed to the difference in Sadie's height over the years? O Sadie did not get enough calcium when she was a child. O Sadie had a genetic disease that caused her to stop growing. O Exposure to x-rays at her job damaged Sadie's nerve tissue. O The vertebrae in Sadie's back have experienced bone loss.